Proverbs 26 17
Interfering in someone else's quarrel is like grabbing a stray dog by the ears.
Compare with other 3 random translations
CSB Proverbs 26:17A person who is passing by and meddles in a quarrel that’s not his is like one who grabs a dog by the ears.
EAS Proverbs 26:17When strangers are arguing, only a fool joins the argument. It would be better if he took hold of a wild dog's ears!
AMP Proverbs 26:17Like one who grabs a dog by the ears [and is likely to be bitten] Is he who, passing by, stops to meddle with a dispute that is none of his business.